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amid [387]
2 years ago
13

Calcula la aceleración que debe tener un auto para alcanzar una velocidad de 108 km/h en 10 s si parte del reposo. ¿Qué distanci

a recorre en ese tiempo?
Mathematics
1 answer:
sashaice [31]2 years ago
6 0

sen bu me bu set an sus ye babe smnsnssnnsnsnsnsnsnsnsns

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Type the correct answer in each box. If necessary, use / for the fraction bar(s).
Tom [10]

Given:

The values are a=0.\overline{6},b=0.75.

To find:

The values of ab and \dfrac{a}{b}.

Solution:

We have,

a=0.\overline{6}

a=0.666...                     ...(i)

Multiply both sides by 10.

10a=6.666...                 ...(ii)

Subtracting (i) from (ii), we get

10a-a=6.666...-0.666...

9a=6

a=\dfrac{6}{9}

a=\dfrac{2}{3}

And,

b=0.75

b=\dfrac{75}{100}

b=\dfrac{3}{4}

Now, the product of a and b is:

ab=\dfrac{2}{3}\times \dfrac{3}{4}

ab=\dfrac{1}{2}

The quotient of a and b is:

\dfrac{a}{b}=\dfrac{\dfrac{2}{3}}{\dfrac{3}{4}}

\dfrac{a}{b}=\dfrac{2}{3}\times \dfrac{4}{3}

\dfrac{a}{b}=\dfrac{8}{9}

Therefore, the required values are ab=\dfrac{1}{2} and \dfrac{a}{b}=\dfrac{8}{9}.

6 0
3 years ago
I need help on this question plz
11Alexandr11 [23.1K]

Line of symmetry is the line which cuts the figure into two same halves

or we can say that which passes through the figure such that it makes one half the mirror image of the other half

So we can see from the figure that y=-2 is the line which cuts the figure in to equal halves

So

y=-2

Third option

6 0
3 years ago
There are 20 marbles in a bag. 1/5 are red and others are blue. What is the ratio of red to blue marbles
Levart [38]

Answer:

4:16 or 1:4

Step-by-step explanation:

1/5 of 20 = 4

there are 4 red marbles

there are 16 blue marbles

4:16 or 1:4

3 0
2 years ago
Read 2 more answers
Shane has won 24 baseball and soccer trophies. The number of trophies he has for each activity is a multiple of 6. He has more s
Alex_Xolod [135]
So the possible numbers are multiples of 6 smaller than 24:

6
12
18

24 is not ok, since he won both kinds of trophies, so if he won 24 soccer trophies, he'd have no baseball trophies!

if he had 12 of one kind of trophies, he'd have 24-12=12 also 12 of the other trophies, and we know that he has more soccer trophies, so we reject this

so he has 6 and 18 trophies of one kind. Since he has more soccer trophies, this means that he has 18 soccer trophies and 6 baseball trophies!
4 0
3 years ago
5.2 + 3 + (-1.5) + (-3.3)+ (-3.8) + (-9.2)<br><br> A. 96.1<br> B. -96.1<br> C. -9.6<br> D. 9.6
morpeh [17]

The answer is -9.6. Hope that helps

8 0
3 years ago
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